*{
    margin: 0;
    padding: 0;
}
html,body,#app{
    width: 100%;
    height: 100%;
    
}

#app{
    min-width: 1200px;
}
input,button,textarea,select{
    outline: none;
}
img{
    width: 100%;
    height: 100%;
    display: block;
}